Business Acquisition (Tables)

12 Months Ended

Dec. 31, 2014

Business Acquisitions [Abstract]

Summary of Assets Acquired and Liabilities Assumed in a Business Combination

	(in thousands)
Receivables	$	1,498
Inventory		4,688
Other current assets		28
Property, plant and equipment		4,800
Total assets acquired		11,014
Less: Current liabilities assumed		480
Net assets acquired	$	10,534

Summary Pro Forma Results of Operations for a Material Business Acquisition

	(unaudited)
	(in thousands, except per share data)
	2014		2013
Net sales	$	412,998	$	436,988
Net earnings		26,197		40,996
Net earnings per share (basic and diluted)	$	3.78	$	5.94
Weighted average shares outstanding (basic and diluted)		6,930		6,907